Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
cong quang » luong quang, thong quang, duong quang
quang chat » quang chan, quang phat, quang cao
doi chieu » doc hieu, doi chi, ho chieu
truong va » truong dai, truong dao, luong va
chat cao » chat co, chat cho, chat bao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - thanh ((truong va) or (truong cao)) nhung cong quang chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh ((truong va) OR (truong cao)) nhung cong quang chat cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh ((truong va) or (truong cao)) nhung cong quang chat cao*.